Ambroterol Oral Liquid does not cure rhinitis, but only improves the symptoms of cough and phlegm viscosity caused by rhinitis. Ambroterol Oral Liquid reduces the viscosity of sputum, relaxes bronchial smooth muscle and improves cilia movement to allow sputum to be coughed up smoothly. This medicine is suitable for acute and chronic respiratory diseases (such as emphysema, acute and chronic bronchitis) resulting in phlegm viscosity, difficulty in expelling sputum, wheezing, coughing and other conditions, the drug does not completely treat rhinitis, but only for the symptoms caused by rhinitis, it is effective in the treatment of the above. Side effects such as restlessness, muscle tremor, headache, nervousness, fast heartbeat, and nausea are possible during the use of Ambroterol Oral Solution. It is contraindicated in patients suffering from severe hyperthyroidism, hypertrophic obstructive cardiomyopathy, adrenal tumors, tachyarrhythmias, as well as in those who are allergic to the components of this drug or to certain excipients. The use of Ambroterol Oral Solution is not recommended for women in the first three months of pregnancy, and the drug should be used with caution in asthmatics, as well as in those with bronchodilator disorders and large secretions, and in other patients it must be used in strict compliance with medical advice.